"The Wolo 'Deputy' system provides a powerful 12V, 100 Watt full-feature siren and PA system with 3 separate siren sounds Yelp, Hi-Lo and Wail. Rotary control with manual override that user can press and hold to get two additional siren sounds. PA system includes noise canceling microphone permanently mounted to controller that provides high-quality voice amplification without feedback or squeal. Portable Permanent mount, Horns Included No, Multiple Tone Yes, 3, Adapters Included No, No Slip Hand Grip No, Works With Wolo Speaker Item# 700558, Product Style Emergency, Compressor Included No, Dimensions L x W x H in. 6 x 7.5 x 2.5, Chrome Plated No, Remote Panel Control Yes, Microphone Included Yes, Mounting Hardware Included No, Music Book Included No, Mounting Type Swing mount. Push-to-talk button overrides siren sound Controller features black enamel-painted metal construction LED-illuminated control panel and adjustable metal chrome-plated swing bracket Designed for use with Wolo 4003 speaker Item# 700558 or other 100 Watt, 4 or 8 ohm speakers sold separately"